*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
a{
    text-decoration: none;
    color:#333;
}
li{
    list-style:none;
}
input{
    outline:none;
}

/* 版心类 */
.container{
    width: 1226px;
    margin:auto;
}